Inventor · disambiguated record
Haruhisa Takiguchi
Also filed as: TAKIGUCHI HARUHISA
56 granted patents·2 pending applications·1,029 citations·filing 1984–2012
99Inventor score
Top patents by PatentIndex Score
58 records- 0196US5403916AMethod for producing a light emitting diode having transparent substrateSHARP KK·Filed 1994·Granted Apr 4, 1995·191 cites·17 claims
- 0295US4658403AOptical element in semiconductor laser device having a diffraction grating and improved resonance characteristicsSHARP KK·Filed 1984·Granted Apr 14, 1987·53 cites·6 claims
- 0388US4806454AMethod for the formation of a diffraction gratingSHARP KK·Filed 1987·Granted Feb 21, 1989·58 cites·4 claims
- 0487US7349154B2Reflection type screenSHARP KK·Filed 2004·Granted Mar 25, 2008·41 cites·22 claims
- 0587US6426522B1Doped semiconductor material, a method of manufacturing the doped semiconductor material, and a semiconductor deviceSHARP KK·Filed 2000·Granted Jul 30, 2002·37 cites·20 claims
- 0685US8963165B2Nitride semiconductor structure, nitride semiconductor light emitting element, nitride semiconductor transistor element, method of manufacturing nitride semiconductor structure, and method of manufacturing nitride semiconductor elementARAKI MASAHIRO·Filed 2011·Granted Feb 24, 2015·11 cites·23 claims
- 0783US4975922AMulti-layered dielectric filmSHARP KK·Filed 1989·Granted Dec 4, 1990·30 cites·2 claims
- 0882US9293647B2Nitride semiconductor light-emitting device and method of manufacturing the sameSHARP KK·Filed 2012·Granted Mar 22, 2016·4 cites·14 claims
- 0980US4820019AOptical deviceSHARP KK·Filed 1985·Granted Apr 11, 1989·41 cites·2 claims
- 1075US5654557AQuantum wire structure and a method for producing the sameSHARP KK·Filed 1994·Granted Aug 5, 1997·36 cites·18 claims
- 1175US4692206AMethod for producing a semiconductor laser device having a buried heterostructureSHARP KK·Filed 1986·Granted Sep 8, 1987·18 cites·1 claims
- 1272US5457561ASystem for transmitting a beam in the airSHARP KK·Filed 1993·Granted Oct 10, 1995·48 cites·8 claims
- 1372US5292685AMethod for producing a distributed feedback semiconductor laser deviceSHARP KK·Filed 1992·Granted Mar 8, 1994·29 cites·13 claims
- 1471US6653248B2Doped semiconductor material, a method of manufacturing the doped semiconductor material, and a semiconductor deviceSHARP KK·Filed 2002·Granted Nov 25, 2003·12 cites·13 claims
- 1570US5070510ASemiconductor laser deviceSHARP KK·Filed 1990·Granted Dec 3, 1991·50 cites·16 claims
- 1669US5903585AOptoelectronic devicesSHARP KK·Filed 1996·Granted May 11, 1999·32 cites·15 claims
- 1768US4858215AIntegrated optical disc pickup that allows variations in the wavelength of the laser beamSHARP KK·Filed 1987·Granted Aug 15, 1989·15 cites·22 claims
- 1867US4908830ABuried type semiconductor laser deviceSHARP KK·Filed 1989·Granted Mar 13, 1990·11 cites·6 claims
- 1967US4852116ASemiconductor laser deviceSHARP KK·Filed 1987·Granted Jul 25, 1989·16 cites·4 claims
- 2065US4712219AVisible double heterostructure-semiconductor laserSHARP KK·Filed 1985·Granted Dec 8, 1987·15 cites·11 claims
- 2162US4997747AMethod for the formation of a diffraction gratingSHARP KK·Filed 1988·Granted Mar 5, 1991·18 cites·2 claims
- 2261US5473173AQuantum well structure having differentially strained quantum well layersSHARP KK·Filed 1994·Granted Dec 5, 1995·24 cites·10 claims
- 2360US5031991AOptical coupling circuit elementSHARP KK·Filed 1989·Granted Jul 16, 1991·19 cites·22 claims
- 2458US4806778AMicro-displacement measuring apparatus using a semiconductor laserSHARP KK·Filed 1986·Granted Feb 21, 1989·13 cites·4 claims
- 2557US4679200ASemiconductor laserSHARP KK·Filed 1985·Granted Jul 7, 1987·11 cites·4 claims
- 2656US4799227ASemiconductor laser device having a buried heterostructureSHARP KK·Filed 1987·Granted Jan 17, 1989·9 cites·13 claims
- 2755US5361271ASemiconductor laserSHARP KK·Filed 1993·Granted Nov 1, 1994·15 cites·24 claims
- 2853US4771434ASemiconductor laser device with an integrated light-detecting areaSHARP KK·Filed 1987·Granted Sep 13, 1988·9 cites·2 claims
- 2953US4745615ASemiconductor laser device with a diffraction gratingSHARP KK·Filed 1985·Granted May 17, 1988·9 cites·20 claims
- 3052US4805183ADistributed feedback semiconductor laser deviceSHARP KK·Filed 1988·Granted Feb 14, 1989·9 cites·4 claims
- 3151US5345460ASemiconductor laser device with window regionsSHARP KK·Filed 1992·Granted Sep 6, 1994·13 cites·6 claims
- 3251US2009194783A1Light emitting element, production method thereof, backlight unit having the light emitting element, and production method thereofSHARP KK·Filed 2009·Application pending·0 cites
- 3350US5335241ABuried stripe type semiconductor laser deviceSHARP KK·Filed 1991·Granted Aug 2, 1994·13 cites·14 claims
- 3450US4730329ASemiconductor laser deviceSHARP KK·Filed 1986·Granted Mar 8, 1988·8 cites·2 claims
- 3549US5303255ADistributed feedback semiconductor laser device and a method of producing the sameSHARP KK·Filed 1993·Granted Apr 12, 1994·12 cites·13 claims
- 3648US4716570ADistributed feedback semiconductor laser deviceSHARP KK·Filed 1986·Granted Dec 29, 1987·7 cites·12 claims
- 3747US4660983AApparatus for measuring reflectivities of resonator facets of semiconductor laserSHARP KK·Filed 1985·Granted Apr 28, 1987·7 cites·8 claims
- 3847US4655597AMicro-displacement measuring apparatus using a semiconductor laserSHARP KK·Filed 1985·Granted Apr 7, 1987·7 cites·3 claims
- 3947US2007114555A1Light emitting element, production method thereof, backlight unit having the light emitting element, and production method thereofSHARP KK·Filed 2006·Application pending·0 cites
- 4045US5007107ASemiconductor laser deviceSHARP KK·Filed 1989·Granted Apr 9, 1991·6 cites·5 claims
- 4145US4803690ASemiconductor laserSHARP KK·Filed 1986·Granted Feb 7, 1989·6 cites·2 claims
- 4245US4745616ASemiconductor laser device with a diffraction gratingSHARP KK·Filed 1986·Granted May 17, 1988·6 cites·16 claims
- 4342US4941148ASemiconductor laser element with a single longitudinal oscillation modeSHARP KK·Filed 1987·Granted Jul 10, 1990·5 cites·38 claims
- 4442US4901328ASemiconductor VSIS laserSHARP KK·Filed 1989·Granted Feb 13, 1990·5 cites·3 claims
- 4542US4819240ALight modulatorSHARP KK·Filed 1988·Granted Apr 4, 1989·5 cites·5 claims
- 4641US5280493AQuantum wire laserSHARP KK·Filed 1992·Granted Jan 18, 1994·7 cites·7 claims
- 4740US4872174ASemiconductor laser device having a grating structureSHARP KK·Filed 1988·Granted Oct 3, 1989·4 cites·6 claims
- 4839US5182758APeriodic gain-type semiconductor laser deviceSHARP KK·Filed 1991·Granted Jan 26, 1993·6 cites·5 claims
- 4938US5477319AOptical heterodyne detection method and apparatus utilizing a scattered reference beamSHARP KK·Filed 1993·Granted Dec 19, 1995·8 cites·25 claims
- 5038US4910744ABuried heterostructure semiconductor laser deviceSHARP KK·Filed 1987·Granted Mar 20, 1990·4 cites·3 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →